[elpa] externals/calibre updated (7fe464d218 -> 855a9cb092)

[ELPA Syncer]

elpasync pushed a change to branch externals/calibre.

      from  7fe464d218 Bump version number
       new  06d6a97bf3 Fill docstring
       new  855a9cb092 Fix series sorting


Summary of changes:
 calibre-book.el | 12 ++++++------
 calibre-db.el   |  4 +++-
 calibre.el      |  2 +-
 etc/NEWS        |  4 ++++
 4 files changed, 14 insertions(+), 8 deletions(-)